Pl: In the world of headphones, it's all the rage to add the moniker of a music superstar to your brand in order to create a sense of authority. The House of Marley has released a range of earbuds and cans, David Guetta has loaned his name to a DJ-centric headset from Beats, and Chas and Dave are rumoured to be in talks with the Cockernee Headphones Co from Bow. Probably.